475230289 has 2 divisors, whose sum is σ = 475230290. Its totient is φ = 475230288.

The previous prime is 475230253. The next prime is 475230293. The reversal of 475230289 is 982032574.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 434013889 + 41216400 = 20833^2 + 6420^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-475230289 is a prime.

It is not a weakly prime, because it can be changed into another prime (475230689) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 237615144 + 237615145.

It is an arithmetic number, because the mean of its divisors is an integer number (237615145).

Almost surely, 2^475230289 is an apocalyptic number.

It is an amenable number.

475230289 is a deficient number, since it is larger than the sum of its proper divisors (1).

475230289 is an equidigital number, since it uses as much as digits as its factorization.

475230289 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 120960, while the sum is 40.

The square root of 475230289 is about 21799.7772695044. Note that the first 3 decimals coincide. The cubic root of 475230289 is about 780.3714475626.

The spelling of 475230289 in words is "four hundred seventy-five million, two hundred thirty thousand, two hundred eighty-nine".